Binary, hexadecimal & big integer arithmetic
Binary, hexadecimal & big integer arithmetic: use first integer, second integer, input number base. Review the formula, worked example and calculation steps.
Inputs
Use the units shown—
Enter your values and select Calculate.
Formula & explanation
Parse whole numbers in the chosen base; use exact integer arithmetic; format in the output base
Variables & units
- First integer
- Text input
- Second integer
- Text input
- Input number base
- Select an option
- Operation
- Select an option
- Output number base
- Select an option
Worked example
Hexadecimal FF + 1 = 100; decimal 255 + 1 = 256.
Assumptions
Up to 250 digits per input. No fractional digits or prefixes such as 0x. Integer division truncates toward zero; results retain exact BigInt precision.
Formula version 1.0.0. JavaScript floating-point arithmetic applies. Results display up to 6 decimal places; stored values retain available precision. Use the units shown.
Calculated on your device. Your latest 100 calculations stay in this browser.